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Which option gives only the final prime factorisation?
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Answer and explanation
Correct answer: (2^3\times3^3\times5\times7^2)
Step 1: In the final form, every base must be prime. Step 2: In the first option, bases 2, 3, 5, and 7 are prime. Step 3: 8, 135, 49, 27, 245, and 216 are composite, so they are not final forms.
Frequently asked questions
What is the correct answer to this question?
(2^3\times3^3\times5\times7^2)
Why is this the correct answer?
Step 1: In the final form, every base must be prime. Step 2: In the first option, bases 2, 3, 5, and 7 are prime. Step 3: 8, 135, 49, 27, 245, and 216 are composite, so they are not final forms.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.
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